If the Correlation Coefficient (R) = 1.00, Then

question 73

Multiple Choice

If the correlation coefficient (r) = 1.00, then

• A) the Y-intercept (b₀) must equal 0.
• B) the explained variation equals the unexplained variation.
• C) there is no unexplained variation.
• D) there is no explained variation.

---

Definitions:

Evolutionary Theory

A scientific theory outlining how biological species evolve over successive generations through the mechanisms of natural selection, mutation, gene flow, and genetic drift.

Sleeping Habits

Patterns or routines related to sleeping, including duration, consistency, and quality, which can significantly impact health and wellbeing.

Complement

The complement system is a part of the immune system that enhances (complements) the ability of antibodies and phagocytic cells to clear microbes and damaged cells from an organism.

Insomnia

A sleep disorder characterized by difficulty in falling asleep, staying asleep, or experiencing restorative sleep, leading to daytime impairment.